# 智能小保姆 vs 黑鲨魔戒

The clearest difference is update cadence: 黑鲨魔戒 at monthly against 智能小保姆's every 21 months. 智能小保姆's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

智能小保姆 ships an update every 21 months, 黑鲨魔戒 monthly. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 智能小保姆 | 黑鲨魔戒 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Size | 46 MB | 131 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [小金 肖](https://appshunter.io/developer/1404200476) | [Nanchang Blackshark Technologies Co., Ltd.](https://appshunter.io/developer/1358214067) |

## What reviewers say

### 智能小保姆

[App page](https://appshunter.io/ios/app/id1493055090)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 黑鲨魔戒

[App page](https://appshunter.io/ios/app/id6479516111)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 智能小保姆 free?

智能小保姆 is free to download, with no in-app purchases.

### Is 黑鲨魔戒 free?

黑鲨魔戒 is free to download, with no in-app purchases.

### Do 智能小保姆 or 黑鲨魔戒 have ads?

Neither 智能小保姆 nor 黑鲨魔戒 shows ads.

### Which is updated more often, 智能小保姆 or 黑鲨魔戒?

智能小保姆 ships an update every 21 months, and 黑鲨魔戒 monthly. Most recently, 智能小保姆 was updated on September 24, 2026 and 黑鲨魔戒 on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*